Home / 36,613.80-50,525.10-20,697.30

Finding the Fourth Proportional to 36,613.80, 50,525.10 and 20,697.30

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Solution

The fourth proportional to 36,613.80, 50,525.10 and 20,697.30 is: 28,561.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,613.80 : 50,525.10 = 20,697.30 : x
  2. Step 2: Convert to fraction form
    36,613.80/50,525.10 = 20,697.30/x
  3. Step 3: Cross multiply
    36,613.80x = 50,525.10 × 20,697.30
  4. Step 4: Simplify right side
    36,613.80x = 1,045,733,152.23
  5. Step 5: Solve for x
    x = 1,045,733,152.23/36,613.80
  6. Step 6: Final answer
    x = 28,561.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.